/* Online controls share the original study typography and blue accent. */
a.btn{text-decoration:none} input:not([type=checkbox]):not([type=radio]),select,textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:11px 12px;background:white}textarea{resize:vertical;line-height:1.6}select{min-height:44px}input:focus,textarea:focus,select:focus{outline:2px solid var(--focus);outline-offset:1px}.field-label{margin-top:16px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--accent)}.text-button{background:none;border:0;text-decoration:underline;cursor:pointer;padding:8px;font-size:13px}.text-button:disabled{opacity:.45;cursor:default}button:disabled{cursor:default}.participant-tools{position:fixed;top:0;left:50%;transform:translateX(-50%);width:min(100%,430px);z-index:15;min-height:30px;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:0 10px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.participant #app{padding-top:32px}.participant .xhs-top{top:32px}.participant .pg{min-height:calc(100dvh - 32px)}.sync-error{color:var(--danger)}.pending-box{position:fixed;z-index:100;left:50%;top:50%;transform:translate(-50%,-50%);width:min(90vw,380px);background:#fff;border:2px solid var(--accent);border-radius:16px;box-shadow:0 0 0 100vmax rgba(25,35,50,.38);padding:24px;display:grid;gap:12px}.pending-box p{font-size:14px;line-height:1.6;color:var(--text-2);margin:0}.participant .overlay .xhs-top{top:0}.participant .overlay{z-index:40}.researcher{background:#f3f5f9}.researcher #app{max-width:1440px;background:transparent;box-shadow:none;padding:0 32px 48px}.work-header{padding:36px 0 24px;display:flex;justify-content:space-between;gap:20px;align-items:center}.work-header h1{font-size:29px;margin:8px 0}.work-header p{margin:0;color:var(--text-2);font-size:14px}.header-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.workspace{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start}.panel{background:white;border:1px solid #e2e7f0;border-radius:16px;padding:24px;box-shadow:0 3px 12px rgba(25,45,85,.025)}.panel h2{font-size:19px;margin:0 0 8px}.panel h3{font-size:16px;margin:25px 0 10px}.work-main{display:grid;gap:20px;min-width:0}.label-copy{font-size:13px;line-height:1.7;padding:10px;background:var(--accent-soft);border-radius:8px;color:#33528a}.host-notes{border-top:1px solid var(--line);margin-top:24px;padding-top:20px;font-size:13px;color:var(--text-2);line-height:1.9}.host-notes ol{padding-left:20px;margin-bottom:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.stats{display:flex;gap:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;margin:18px 0;font-size:13px;color:var(--text-2)}.stats b{font-size:23px;font-weight:600;color:var(--text);margin-right:5px}.session-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-height:380px;overflow:auto}.session-card{background:#fff;border:1px solid var(--line);border-radius:10px;text-align:left;padding:14px;display:grid;gap:9px;cursor:pointer}.session-card.selected,.session-card:hover{border-color:#7e9de0;background:#f8faff}.session-card>span{font-size:13px}.session-card small{color:var(--muted);font-size:11px;line-height:1.7}.empty{text-align:center;padding:36px 16px;color:var(--muted);font-size:14px}.empty h2{color:var(--text-2)}.empty-icon{display:block;font-size:32px;margin-bottom:16px;color:#9ab1df}.detail-panel{scroll-margin-top:20px}.detail-status{display:grid;gap:10px;margin:22px 0}.status-pill{justify-self:start;background:var(--accent-soft);color:var(--accent);padding:5px 10px;border-radius:20px;font-size:12px}.progress-track{height:5px;background:#eef1f7;border-radius:6px;overflow:hidden}.progress-track i{display:block;background:var(--accent);height:100%}.milestones{display:flex;gap:8px 20px;flex-wrap:wrap;color:var(--muted);font-size:11px;line-height:1.8}.invite{display:grid;grid-template-columns:140px minmax(0,1fr);align-items:center;gap:20px;background:#f7f9fd;border-radius:12px;padding:16px}.invite img{border-radius:8px}.invite .field-label{margin-top:0}.invite input{font-size:12px;margin-bottom:10px}.session-meta{font-size:13px;line-height:1.8;margin:16px 0;color:var(--text-2)}.results{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0}.results summary{cursor:pointer;font-size:14px;font-weight:600}.table-scroll{overflow-x:auto;margin-top:18px}table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:12px}th,td{padding:12px 10px;text-align:left;border-bottom:1px solid var(--line)}th{background:#f7f9fd}.result-notes{font-size:13px;line-height:1.7}.release-panel{margin-top:24px;padding:18px;background:var(--accent-soft);border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:20px}.release-panel h3{margin:0}.release-panel p{margin-bottom:0}.release-panel .btn{flex:none}#interview-fields{border:0;padding:0;margin:0;min-width:0}#withdraw{margin-top:24px}fieldset:disabled{opacity:.55}.login-panel{max-width:460px;margin:10vh auto;background:white;border:1px solid var(--line);border-radius:20px;padding:36px}.login-panel h1{font-size:25px}.login-panel .btn{margin:16px 0}.login-panel p{line-height:1.7}#auth-error{font-size:13px;color:var(--danger)}.modal-backdrop{position:fixed;inset:0;z-index:50;background:rgba(25,35,50,.45);overflow:auto;padding:30px 16px}.preview-panel{max-width:650px;margin:auto;background:#fff;border-radius:16px;padding:24px}.researcher .overlay{z-index:60}.researcher .overlay .xhs{max-width:430px;margin:auto}.create-panel .btn-block{margin-top:16px}
@media(max-width:900px){.researcher #app{padding:0 16px 32px}.workspace{grid-template-columns:1fr}.work-header{align-items:flex-start}.create-panel{max-width:none}.session-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.invite{grid-template-columns:110px minmax(0,1fr)}.invite img{width:110px;height:110px}}
@media(max-width:550px){.work-header{display:block;padding-top:24px}.header-actions{margin-top:16px}.panel{padding:18px}.session-cards{grid-template-columns:1fr}.invite{grid-template-columns:1fr}.invite img{justify-self:center;width:140px;height:140px}.release-panel{display:block}.release-panel .btn{margin-top:14px;width:100%}.stats{gap:15px}.login-panel{padding:24px;margin-top:5vh}}

/* Quick assignment uses the server's existing, balanced participant allocation. */
.assignment-section{margin-top:26px;border-top:1px solid var(--line);padding-top:20px}
.assignment-section h3{margin:0 0 6px;font-size:17px}
.assignment-subtitle{font-size:12px;line-height:1.6;color:var(--text-2);margin:0 0 10px}
.assignment-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:16px 0}
.assignment-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-width:0;min-height:82px;padding:9px 2px;border:1px solid var(--line);border-radius:10px;background:white;cursor:pointer;color:var(--text-2)}
.assignment-card b{font-size:15px;color:var(--text)}
.assignment-card span{font-size:11px;white-space:nowrap}
.assignment-card small{font-size:10px;line-height:1.3}
.assignment-card:hover{border-color:#7e9de0}
.assignment-card.is-complete{background:#eef7ef}
.assignment-card.is-selected{border:2px solid var(--accent);padding:8px 1px;background:var(--accent-soft)}
.assignment-card:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.assignment-plan{padding:13px;border-radius:10px;background:#f7f9fd;font-size:12px;line-height:1.8}
.assignment-plan p{margin:7px 0 0}
.assignment-plan .btn{margin-top:10px;width:100%}
#create select:disabled{opacity:1;background:#f7f9fd;color:var(--text-2)}
#custom-pid-field[hidden]{display:none}

.capture-consent{min-width:0;border:0;border-radius:12px;background:#f5f6f8;margin:24px 0;padding:18px}.capture-consent legend{float:left;width:100%;font-size:15px;font-weight:600;line-height:1.7;padding:0}.capture-consent p{clear:both;font-size:13px;color:var(--text-2);line-height:1.8;padding-top:10px;margin:0 0 14px}.capture-consent .choice{font-size:13px}.capture-status{background:#f5f6f8;border-radius:8px;padding:12px;font-size:13px;line-height:1.7}